Home / 74,554.56-102,887.19-40,564.89

Finding the Fourth Proportional to 74,554.56, 102,887.19 and 40,564.89

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Solution

The fourth proportional to 74,554.56, 102,887.19 and 40,564.89 is: 55,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.56 : 102,887.19 = 40,564.89 : x
  2. Step 2: Convert to fraction form
    74,554.56/102,887.19 = 40,564.89/x
  3. Step 3: Cross multiply
    74,554.56x = 102,887.19 × 40,564.89
  4. Step 4: Simplify right side
    74,554.56x = 4,173,607,544.76
  5. Step 5: Solve for x
    x = 4,173,607,544.76/74,554.56
  6. Step 6: Final answer
    x = 55,980.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.